Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2022 09:02

General

  • Target

    0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe

  • Size

    399KB

  • MD5

    622069ced026a4ffc53eea7474da10f0

  • SHA1

    1f247794d80f65bfda54da084daf134bcae9508b

  • SHA256

    0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b

  • SHA512

    09981d65839437a3b6e3ed217858bd7b446b4bb2d3377936c58f90a4d7ac602e0b4c0e27c7e5a6714dde79f4c31a9799b5e98906060166f4695b816fcd53f423

  • SSDEEP

    6144:TzKyCcR3+ZFh63WHFEAE4FSHZycQzeWq6icB+KFvkRkZuo+mg8YOd9Pb5Jee5fv6:pvdTZylq6icB+M5unyYODfTG0e

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Test06

C2

puc.no-ip.org:83

Mutex

yf8687

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    dwm.exe

  • install_dir

    Microsoft

  • install_file

    Defender-update.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Notice: Undefined index: template in /opt/lampp/htdocs/install/index.php on line 17 Notice: Undefined index: language in /opt/lampp/htdocs/install/index.php on line 21 Notice: Use of undefined constant _logout_true - assumed '_logout_true' in /opt/lampp/htdocs/inc/_lang/english.php on line 17 Notice: Use of undefined constant _login_true - assumed '_login_true' in /opt/lampp/htdocs/inc/_lang/english.php on line 18 Notice: Use of undefined constant _login_false_pwd - assumed '_login_false_pwd' in /opt/lampp/htdocs/inc/_lang/english.php on line 19 Notice: Use of undefined constant _login_false_name - assumed '_login_false_name' in /opt/lampp/htdocs/inc/_lang/english.php on line 20 Notice: Use of undefined constant _login_not_active_map - assumed '_login_not_active_map' in /opt/lampp/htdocs/inc/_lang/english.php on line 21 Notice: Use of undefined constant _save_area - assumed '_save_area' in /opt/lampp/htdocs/inc/_lang/english.php on line 23

  • message_box_title

    ERROR

  • password

    1234abc

  • regkey_hkcu

    Windows Defender Update

  • regkey_hklm

    Defender Update

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2792
      • C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe
        "C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe
          C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1652
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:688
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:5052
            • C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe
              "C:\Users\Admin\AppData\Local\Temp\0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:4528
              • C:\Program Files (x86)\Microsoft\Defender-update.exe
                "C:\Program Files (x86)\Microsoft\Defender-update.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1472
                • C:\Program Files (x86)\Microsoft\Defender-update.exe
                  "C:\Program Files (x86)\Microsoft\Defender-update.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1744

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Microsoft\Defender-update.exe

        Filesize

        399KB

        MD5

        622069ced026a4ffc53eea7474da10f0

        SHA1

        1f247794d80f65bfda54da084daf134bcae9508b

        SHA256

        0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b

        SHA512

        09981d65839437a3b6e3ed217858bd7b446b4bb2d3377936c58f90a4d7ac602e0b4c0e27c7e5a6714dde79f4c31a9799b5e98906060166f4695b816fcd53f423

      • C:\Program Files (x86)\Microsoft\Defender-update.exe

        Filesize

        399KB

        MD5

        622069ced026a4ffc53eea7474da10f0

        SHA1

        1f247794d80f65bfda54da084daf134bcae9508b

        SHA256

        0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b

        SHA512

        09981d65839437a3b6e3ed217858bd7b446b4bb2d3377936c58f90a4d7ac602e0b4c0e27c7e5a6714dde79f4c31a9799b5e98906060166f4695b816fcd53f423

      • C:\Program Files (x86)\Microsoft\Defender-update.exe

        Filesize

        399KB

        MD5

        622069ced026a4ffc53eea7474da10f0

        SHA1

        1f247794d80f65bfda54da084daf134bcae9508b

        SHA256

        0925c4773161afde1a2996920dd7a257ea2f3d1156487e80499e5f8cd2a8b11b

        SHA512

        09981d65839437a3b6e3ed217858bd7b446b4bb2d3377936c58f90a4d7ac602e0b4c0e27c7e5a6714dde79f4c31a9799b5e98906060166f4695b816fcd53f423

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

        Filesize

        230KB

        MD5

        32cfcb714c1d72a181da434a5f69def3

        SHA1

        53c85fdfb971a594d02ff7a60d975456aff585f4

        SHA256

        feab068b53180b69bfd7880b097fe3fd14e5ca89f9a92c5aeeb3d3c18bda633c

        SHA512

        8c473356e87c506e41b2940034f26b859670df9f4ac2e806eee01e517c84e7e2673413d76ffd8c7d6ebf1a43dae2d071abb2f21685e5ef7abda9806e70efed80

      • memory/688-183-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/688-154-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/688-153-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1652-142-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-140-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-150-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1652-143-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-156-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1652-133-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-161-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1652-139-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-145-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1652-134-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-136-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1652-138-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1744-182-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/4528-167-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/4528-166-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/4528-184-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB